1023252265311 has 4 divisors (see below), whose sum is σ = 1364336353752. Its totient is φ = 682168176872.

The previous prime is 1023252265307. The next prime is 1023252265319. The reversal of 1023252265311 is 1135622523201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023252265311 - 2² = 1023252265307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023252265319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170542044216 + ... + 170542044221.

It is an arithmetic number, because the mean of its divisors is an integer number (341084088438).

Almost surely, 2^{1023252265311} is an apocalyptic number.

1023252265311 is a deficient number, since it is larger than the sum of its proper divisors (341084088441).

1023252265311 is an equidigital number, since it uses as much as digits as its factorization.

1023252265311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341084088440.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 1023252265311 its reverse (1135622523201), we get a palindrome (2158874788512).

The spelling of 1023252265311 in words is "one trillion, twenty-three billion, two hundred fifty-two million, two hundred sixty-five thousand, three hundred eleven".